<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
		<style type="text/css">
			*{margin:0;padding:0;}
			ul{width:100%;background:pink;/*overflow: hidden;*/}
			li{width:23%;height:200px;float:left;margin:1%;list-style: none;text-align: center;}
			img{width:100%;height:180px;}
			.clear:after{content:"";display:block;clear:both;overflow:hidden;visibility:hidden;}
			.clear{zoom: 1;}
		</style>
	</head>
	<body> 
		<ul class="clear">
			<li><img src="img/img1/child1.jpg"/>hello world
			</li>
			<li><img src="img/img1/child1.jpg"/>hello world</li>
			<li><img src="img/img1/child1.jpg"/>hello world</li>
			<li><img src="img/img1/child1.jpg"/>hello world</li>
			<li><img src="img/img1/child1.jpg"/>hello world</li>
			<li><img src="img/img1/child1.jpg"/>hello world</li>
			<li><img src="img/img1/child1.jpg"/>hello world</li>
			<li><img src="img/img1/child1.jpg"/>hello world</li>
		</ul>
	</body>
</html>
